Question: State and explain law of conservation of mass and energy?
The law of conservation of mass and energy, also known as the first law of thermodynamics, states that the total amount of mass and energy in a closed system remains constant over time. This means that energy and mass can neither be created nor destroyed, but can only be converted from one form to another. In other words, the total energy and mass in the universe is constant. This law is a fundamental principle of physics and is used to analyze and predict the behavior of physical systems.
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